Living in Deerfield Colony, MT: what to set up and who to call
Deerfield Colony has no town government of its own, so Fergus County runs its elections and most services, and its children attend Deerfield Elementary School District. Power in Deerfield Colony comes from Fergus Electric Coop, a cooperative utility rather than a private company.
I’m new in town
What to set up in Deerfield Colony, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Deerfield Colony.
Power comes from Fergus Electric Coop
Fergus Electric Coop (Fergus Electric Coop, Inc), a cooperative utility, serves all of Deerfield Colony. Its homes paid an average of 15.9¢ per kWh in 2025, about $143 a month (its average across Montana).
Start or move service: www.ferguselectric.coop · (406) 538-3465
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Which providers serve Deerfield Colony
This card will list the home internet providers the FCC’s National Broadband Map shows in Deerfield Colony, the share of addresses that can get 100/20 Mbps and the share with fiber, with the map’s “as of” date.
Source to come: FCC Broadband Data Collection.
We don’t have Deerfield Colony’s trash rules yet
Pickup rules, the dump and recycling in Deerfield Colony.
Where your child goes to school
Public school districts and the school path by grade.
Deerfield Colony is in two districts that split the grades: Deerfield Elementary School District and Denton High School District.
Test scores and every school: see Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
No town hall: the county runs things
Deerfield Colony is unincorporated, so Fergus County is the local government.
Election office: FVAP local election office directory, updated Sep 2024; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Deerfield Colony is in ZIP code 59457
ZIP codes where Deerfield Colony residents live, with the share of the town in each.
| ZIP | Post office name | Share of Deerfield Colony | ZIP’s residents in Deerfield Colony |
|---|---|---|---|
| 59457 | Lewistown, MT | 100% | 1% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Deerfield Colony
Who provides electricity in Deerfield Colony?
Fergus Electric Coop (Fergus Electric Coop, Inc), a cooperative utility. Its homes paid about 15.9¢ per kWh in 2025 (EIA).
What ZIP codes are in Deerfield Colony?
59457. Census 2020 ZIP Code Tabulation Areas.
What school district is Deerfield Colony in?
Deerfield Elementary School District and Denton High School District.
How do I register to vote in Deerfield Colony?
Montana has no online registration; you can register in person up to and including Election Day or by mail (postmarked 30 days before). Elections here are run by the Fergus County Election Administrator. Check your registration at prodvoterportal.mt.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: OpenStreetMap, Geofabrik extract of Oct 9, 2026. © OpenStreetMap contributors (ODbL).
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet (FCC): pending.